diff options
| -rw-r--r-- | java.html.markdown | 45 |
1 files changed, 13 insertions, 32 deletions
diff --git a/java.html.markdown b/java.html.markdown index bb0b0d38..67e5494e 100644 --- a/java.html.markdown +++ b/java.html.markdown @@ -114,7 +114,7 @@ public class LearnJava { // but they can be initialized later. final double E; E = 2.71828; - + // Strings String fooString = "My String Is Here!"; @@ -368,7 +368,7 @@ public class LearnJava { } // End LearnJava class -// You can include other, non-public outer-level classes in a .java file, +// You can include other, non-public outer-level classes in a .java file, // but it is good practice. Instead split classes into separate files. @@ -389,7 +389,7 @@ class Bicycle { // Constructors are a way of creating classes // This is a constructor public Bicycle() { - // You can also call another constructor: + // You can also call another constructor: // this(1, 50, 5, "Bontrager"); gear = 1; cadence = 50; @@ -489,17 +489,8 @@ public interface Digestible { // We can now create a class that implements both of these interfaces. public class Fruit implements Edible, Digestible { + @Override -<<<<<<< HEAD - public void eat() { - // awesome code goes here - } - - @Override - public void digest() { - // awesome code goes here - } -======= public void eat() { // ... } @@ -508,31 +499,21 @@ public class Fruit implements Edible, Digestible { public void digest() { // ... } ->>>>>>> adambard/master } // In Java, you can extend only one class, but you can implement many // interfaces. For example: public class ExampleClass extends ExampleClassParent implements InterfaceOne, InterfaceTwo { - @Override -<<<<<<< HEAD - public void InterfaceOneMethod() { - // awesome code goes here - } @Override - public void InterfaceTwoMethod() { - // awesome code goes here - } -======= public void InterfaceOneMethod() { } @Override public void InterfaceTwoMethod() { } ->>>>>>> adambard/master + } // Abstract Classes @@ -544,10 +525,10 @@ public class ExampleClass extends ExampleClassParent implements InterfaceOne, // } // Marking a class as abstract means that it contains abstract methods that must -// be defined in a child class. Similar to interfaces, abstract classes cannot -// be instantiated, but instead must be extended and the abstract methods +// be defined in a child class. Similar to interfaces, abstract classes cannot +// be instantiated, but instead must be extended and the abstract methods // defined. Different from interfaces, abstract classes can contain a mixture of -// concrete and abstract methods. Methods in an interface cannot have a body, +// concrete and abstract methods. Methods in an interface cannot have a body, // unless the method is static, and variables are final by default, unlike an // abstract class. Also abstract classes CAN have the "main" method. @@ -563,7 +544,7 @@ public abstract class Animal age = 30; } - // No need to initialize, however in an interface + // No need to initialize, however in an interface // a variable is implicitly final and hence has // to be initialized. protected int age; @@ -591,7 +572,7 @@ class Dog extends Animal // age = 30; ==> ERROR! age is private to Animal } - // NOTE: You will get an error if you used the + // NOTE: You will get an error if you used the // @Override annotation here, since java doesn't allow // overriding of static methods. // What is happening here is called METHOD HIDING. @@ -605,7 +586,7 @@ class Dog extends Animal } } -// Final Classes +// Final Classes // Final Class declaration syntax // <access-level> final <final-class-name> { @@ -614,8 +595,8 @@ class Dog extends Animal // } // Final classes are classes that cannot be inherited from and are therefore a -// final child. In a way, final classes are the opposite of abstract classes -// because abstract classes must be extended, but final classes cannot be +// final child. In a way, final classes are the opposite of abstract classes +// because abstract classes must be extended, but final classes cannot be // extended. public final class SaberToothedCat extends Animal { |